This one's for all of the would-be environment artists and tech heads out there as Ubisoft lays out some of the advances in their engine that will make the open world of "Assassin's Creed IV Black Flag" feel more realistic.

One of the highlights of the video (which looks at everything from the way foliage is handled to how the engine generates individual raindrops) is the evolution of the boarding system, which will allow players to hope back and forth between ships during "Assassin's Creed IV" raiding parties. If I'm understanding correctly, the engine now recognizes each ship as a separate 3D map that players and NPCs can navigate instead of a simple 3D object which has to be loaded and doesn't provide the same kind of dynamic interaction.

You can find out more about the upgrades coming to "Assassin's Creed IV" in the video. The game itself will be out on October 29th for the PS3, PC, Wii U, and Xbox 360 with the Xbox One and PS4 versions available at launch.

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